摘要
针对目前电网电能质量检测的实际问题,通过研究基于DSP的电能质量检测技术及FFT分析原理,按照我国电能质量检测的相关标准,完成以DSP(TMS320F2812)为核心,实现数据的采集、处理及实时显示等功能的电能质量检测系统的原理设计及试验装置的制作。硬件部分主要包括电压检测及调理电路、电流检测及调理电路、频率检测电路、电源模块以及液晶部分设计。在CCS3.3集成开发环境下,完成对主程序以及子程序的编写,最后经软硬件系统调试,得到了相电压波形、相电压有效值、频率等电能质量参量。试验证明,各电能质量检测参量达到预期的准确度,该检测系统稳定可行。
Aiming at the current problems of power quality detection,based on DSP and FFT theory,according to China＇s energy related standard for quality detection,this paper completed a power quality detection system by using DSP（TMS320F2812）as the core to achieve data acquisition,processing and real-time display and other functions.The hardware part mainly comprises a voltage detection circuit,current detection circuit,frequency detection circuit,part of the design of power supply module and liquid crystal display.In the CCS3.3 integrated development environment,it completed the preparation of the main program and subprogram.Finally by the debugging of hardware and software of the system,power quality parameters of the phase voltage waveform,phase voltage RMS and frequency,were obtained.The experiments show that the precision of the detection of electric power parameter can achieve the ideal and the system is stable,feasible.
出处
《电器与能效管理技术》
2015年第8期57-60,共4页
Electrical & Energy Management Technology
关键词
电能质量检测
DSP
液晶显示
FFT
电流检测
power quality detection
DSP
liquid crystal display
FFT
current detection
